Firearm assembly

Abstract

A firearm assembly has a lower receiver frame having an upper surface defining a horizontal plane, a hammer pivotally connected to the frame, a sear pivotally connected to the frame and movable between a retention position operable to restrain the hammer and a release position operable to enable striking motion of the hammer, an elongated link having a planar form overlaying the upper surface of the frame, the elongated link having opposed major upper and lower surfaces, a forward end, and an opposed rear end, and movable between a link forward position and a link rearward portion, the link forward end having a bolt engagement element, the elongated link having a sear engagement element protruding away from at least one of the upper and lower surfaces, and the sear having a lateral extension operably engaged by the sear engagement element.

We claim: 
     
         1 . A firearm assembly for a firearm having a reciprocating bolt, the assembly comprising:
 a lower receiver frame having an upper surface defining a horizontal plane;   a hammer pivotally connected to the lower receiver frame;   a sear pivotally connected to the lower receiver frame and movable between a retention position operable to restrain the hammer and a release position operable to enable striking motion of the hammer;   an elongated link having a planar form overlaying the upper surface of the lower receiver frame;   the elongated link having opposed major upper and lower surfaces, a forward end, and an opposed rear end, and movable between a link forward position and a link rearward portion;   the link forward end having a bolt engagement element;   the elongated link having a trigger release engagement element protruding away from at least one of the upper and lower surfaces;   the sear having a portion operably engaged by the sear engagement element; and   wherein the portion of the sear extends overhanging above a portion of the major upper surface of the elongated link.